This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The expression of the tryptophan operon is controlled by a(n) (Read 128 times)

Zulu123

  • Hero Member
  • *****
  • Posts: 525
on: Jul 15, 2019
The expression of the tryptophan operon is controlled by a(n)
◦ repressor that is inactive when it binds to lactose.
◦ activator that turns the operon on by binding to DNA.
◦ repressor that is active when it is alone.
◦ repressor that is active when it binds to tryptophan.
Campbell Biology: Concepts & Connections ¦ Taylor, Simon, Dickey, Hogan, Reece ¦ 9th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by Zulu123 on Jul 15, 2019

tashiedavis420

  • Sr. Member
  • ****
  • Posts: 329
Reply #1 on: Jul 15, 2019
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 29% of students answer this correctly


Zulu123

  • Member
  • Posts: 525
Reply 2 on: Jul 15, 2019
Excellent

rleezy04

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Effects of lactose and glucose on the expression of the lac operon Effects of lactose and glucose on the expression of the lac operon
An example of a homeostatically controlled variable: blood levels of glucose in a human. An example of a homeostatically controlled variable: blood levels of glucose in a human.
Blood pressure is controlled by the cardiovascular and kidney systems Blood pressure is controlled by the cardiovascular and kidney systems
Effects of Ac and Ds elements on gene expression Effects of Ac and Ds elements on gene expression
The lactose (lac) operon of E. coli The lactose (lac) operon of E. coli
Comparing uncontrolled and controlled energy release. Comparing uncontrolled and controlled energy release.
Video: Digestive System Animation

For a complete list of videos, visit our video library